Home / 149,319,308.04-206,072,911.62-82,351,363.40

Finding the Fourth Proportional to 149,319,308.04, 206,072,911.62 and 82,351,363.40

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Solution

The fourth proportional to 149,319,308.04, 206,072,911.62 and 82,351,363.40 is: 113,651,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,319,308.04 : 206,072,911.62 = 82,351,363.40 : x
  2. Step 2: Convert to fraction form
    149,319,308.04/206,072,911.62 = 82,351,363.40/x
  3. Step 3: Cross multiply
    149,319,308.04x = 206,072,911.62 × 82,351,363.40
  4. Step 4: Simplify right side
    149,319,308.04x = 16,970,385,231,714,704
  5. Step 5: Solve for x
    x = 16,970,385,231,714,704/149,319,308.04
  6. Step 6: Final answer
    x = 113,651,646.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.